/* Bring Later website.
   The app uses the operating system's own font, so the site does too: SF Pro on Apple devices,
   Segoe UI Variable on Windows. One accent, taken from the logo. */

:root {
  --bg: #07090f;
  --raised: #0c1019;
  --panel: #0f141f;
  --line: rgba(233, 237, 245, 0.08);
  --line-strong: rgba(233, 237, 245, 0.14);
  --text: #e9edf5;
  --text-2: rgba(233, 237, 245, 0.66);
  --text-3: rgba(233, 237, 245, 0.44);
  --accent: #99c0fd;
  --brand: #1a61f4;
  --navy: #0b1843;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  padding: 8px 14px;
  background: var(--text);
  color: var(--bg);
  border-radius: 8px;
  z-index: 10;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */

.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(7, 9, 15, 0.72);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.nav-logo img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-size: 14px;
}

.nav-links a {
  color: var(--text-2);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--text);
  color: var(--navy);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.15s ease;
}

.button:hover {
  background: #ffffff;
}

.button:active {
  transform: translateY(1px);
}

.button-quiet {
  background: #161b27;
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line);
}

.button-quiet:hover {
  background: #1c2230;
}

.button-small {
  height: 34px;
  padding: 0 14px;
  font-size: 14px;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link::after {
  content: " →";
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

/* Hero */

.hero {
  padding-top: 96px;
  padding-bottom: 48px;
}

h1,
h2 {
  text-wrap: balance;
}

h1 {
  max-width: 13em;
  margin: 0 0 20px;
  font: 500 clamp(2.4rem, 1.4rem + 3.8vw, 4rem) / 1.04 var(--display);
  letter-spacing: -0.028em;
}

.lede {
  max-width: 34em;
  margin: 0 0 32px;
  color: var(--text-2);
  font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
  line-height: 1.55;
}

.fineprint {
  margin: 18px 0 0;
  color: var(--text-3);
  font-size: 14px;
}

/* The video */

.demo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  background: var(--bg);
  box-shadow: 0 0 0 1px var(--line), 0 40px 100px -30px rgba(0, 0, 0, 0.7);
}

/* Sections */

.section {
  padding-top: 120px;
}

.section-title,
.feature h2 {
  margin: 0 0 14px;
  font: 500 clamp(1.6rem, 1.2rem + 1.4vw, 2.25rem) / 1.15 var(--display);
  letter-spacing: -0.02em;
}

.section-lede,
.feature p {
  max-width: 36em;
  margin: 0 0 28px;
  color: var(--text-2);
  font-size: 17px;
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: center;
  margin-bottom: 20px;
  padding: 48px;
  border-radius: 22px;
  background: var(--raised);
  box-shadow: inset 0 0 0 1px var(--line);
}

.feature-text p:last-child {
  margin-bottom: 0;
}

.feature-shot {
  display: grid;
  justify-items: center;
  gap: 8px;
  margin: 0;
  padding: 32px 16px;
  border-radius: 16px;
  background: #0a0e17;
  box-shadow: inset 0 0 0 1px var(--line);
}

.feature-shot img {
  width: auto;
  max-height: 540px;
}

.feature-shot img[width="474"] {
  width: min(474px, 100%);
}

.feature-shot img[width="418"] {
  width: min(418px, 100%);
}

.feature-wide .feature-shot img {
  width: min(460px, 100%);
  max-height: none;
  border-radius: 10px;
}

.examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  margin: 8px 0 0;
}

.examples div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.examples dt {
  width: fit-content;
  padding: 2px 8px;
  border-radius: 6px;
  background: #161b27;
  box-shadow: inset 0 0 0 1px var(--line);
  font: 14px/1.6 var(--mono);
}

.examples dd {
  margin: 0;
  color: var(--text-2);
  font-size: 14px;
}

.promises {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--line);
}

.promises div {
  padding: 28px 32px 30px 0;
  border-bottom: 1px solid var(--line);
}

.promises div:nth-child(2n) {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.promises dt {
  margin-bottom: 6px;
  font-weight: 600;
}

.promises dd {
  margin: 0;
  color: var(--text-2);
}

/* Download */

.platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.platform {
  display: flex;
  flex-direction: column;
  padding: 36px;
  border-radius: 22px;
  background: var(--raised);
  box-shadow: inset 0 0 0 1px var(--line);
}

.platform h3 {
  margin: 0;
  font: 500 24px/1.2 var(--display);
  letter-spacing: -0.01em;
}

.platform-req {
  margin: 4px 0 24px;
  color: var(--text-3);
  font-size: 14px;
}

.steps {
  margin: 28px 0 0;
  padding-left: 20px;
  color: var(--text-2);
  font-size: 15px;
}

.steps li + li {
  margin-top: 8px;
}

.steps b {
  color: var(--text);
  font-weight: 600;
}

.platform-shot {
  width: 245px;
  margin-top: 28px;
  border-radius: 10px;
}

code,
kbd {
  font: 0.9em var(--mono);
}

kbd {
  display: inline-block;
  min-width: 1.9em;
  padding: 1px 7px;
  border-radius: 6px;
  background: #161b27;
  box-shadow: inset 0 0 0 1px var(--line-strong), inset 0 -2px 0 rgba(0, 0, 0, 0.35);
  color: var(--text);
  text-align: center;
}

.privacy {
  padding-bottom: 120px;
}

/* Footer */

.footer {
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 32px;
  padding-top: 32px;
  padding-bottom: 40px;
}

.footer-inner img {
  height: 24px;
  width: auto;
  opacity: 0.9;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer a {
  color: var(--text-2);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text);
}

.footer p {
  margin: 0 0 0 auto;
}

/* Smaller screens */

@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 28px;
  }

  .platforms {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .nav-inner .button-small {
    margin-left: auto;
  }

  .hero {
    padding-top: 56px;
  }

  .demo {
    border-radius: 12px;
  }

  .section {
    padding-top: 80px;
  }

  .feature {
    padding: 22px;
    border-radius: 18px;
  }

  .feature-shot {
    padding: 20px 8px;
  }

  .examples {
    grid-template-columns: 1fr;
  }

  .promises {
    grid-template-columns: 1fr;
  }

  .promises div,
  .promises div:nth-child(2n) {
    padding: 22px 0;
    border-left: 0;
  }

  .platform {
    padding: 24px;
  }

  .footer p {
    margin-left: 0;
  }
}